chore: changelog for #1890

Author: vmaerten

CHANGELOG.md

@@ -23,6 +23,7 @@
 - Added a new option to ensure variable is within the list of values (#1827 by
   @vmaerten).
 - Allow multiple prompts to be specified for a task (#1861, #1866 by @mfbmina).
+- Added new template function: `numCPU`, which return the number of logical CPU's usable (#1890, #1887 by @Amoghrd).
 
 ## v3.39.2 - 2024-09-19